#' Synthetic data for PGSC testing.
#'
#' A dataset with an outcome given by a treatment and a set of factors.
#'
#' @format A data frame with 750 rows and 8 variables:
#' \describe{
#'   \item{n}{The unit, here labeled as a US state}
#'   \item{t}{The time period}
#'   \item{y}{The outcome variable}
#'   \item{D1}{The first treatment variable}
#'   \item{D2}{The second treatment variable}
#'   \item{X1}{The first observed confounding factor}
#'   \item{X2}{The second observed confounding factor}
#'   \item{X3}{The third observed confounding factor}
#' }
#' @source Generated by code in the package vignette "Using \code{pgsc}".
"pgsc.dta"